Examples with SnmpVarBind com.sun.jmx.snmp.SnmpVarBind used on opensource projects

Example 26 with SnmpVarBind

use of com.sun.jmx.snmp.SnmpVarBind in project jdk8u_jdk by JetBrains.

the class SnmpStandardObjectServer method get.

/**
     * Generic handling of the <CODE>get</CODE> operation.
     * <p> The default implementation of this method is to loop over the
     * varbind list associated with the sub-request and to call
     * <CODE>get(var.oid.getOidArc(depth), data);</CODE>
     * <pre>
     * public void get(SnmpStandardMetaServer meta, SnmpMibSubRequest req,
     *                 int depth)
     *    throws SnmpStatusException {
     *
     *    final Object data = req.getUserData();
     *
     *    for (Enumeration e= req.getElements(); e.hasMoreElements();) {
     *
     *        final SnmpVarBind var= (SnmpVarBind) e.nextElement();
     *
     *        try {
     *            // This method will generate a SnmpStatusException
     *            // if `depth' is out of bounds.
     *            //
     *            final long id = var.oid.getOidArc(depth);
     *            var.value = meta.get(id, data);
     *        } catch(SnmpStatusException x) {
     *            req.registerGetException(var,x);
     *        }
     *    }
     * }
     * </pre>
     * <p> You can override this method if you need to implement some
     * specific policies for minimizing the accesses made to some remote
     * underlying resources.
     * <p>
     *
     * @param meta  A pointer to the generated meta-data object which
     *              implements the <code>SnmpStandardMetaServer</code>
     *              interface.
     *
     * @param req   The sub-request that must be handled by this node.
     *
     * @param depth The depth reached in the OID tree.
     *
     * @exception SnmpStatusException An error occurred while accessing
     *  the MIB node.
     */
public void get(SnmpStandardMetaServer meta, SnmpMibSubRequest req, int depth) throws SnmpStatusException {
    final Object data = req.getUserData();
    for (Enumeration<SnmpVarBind> e = req.getElements(); e.hasMoreElements(); ) {
        final SnmpVarBind var = e.nextElement();
        try {
            final long id = var.oid.getOidArc(depth);
            var.value = meta.get(id, data);
        } catch (SnmpStatusException x) {
            req.registerGetException(var, x);
        }
    }
}

Example 27 with SnmpVarBind

use of com.sun.jmx.snmp.SnmpVarBind in project jdk8u_jdk by JetBrains.

the class SnmpStandardObjectServer method set.

/**
     * Generic handling of the <CODE>set</CODE> operation.
     * <p> The default implementation of this method is to loop over the
     * varbind list associated with the sub-request and to call
     * <CODE>set(var.value, var.oid.getOidArc(depth), data);</CODE>
     * <pre>
     * public void set(SnmpStandardMetaServer meta, SnmpMibSubRequest req,
     *                 int depth)
     *    throws SnmpStatusException {
     *
     *    final Object data = req.getUserData();
     *
     *    for (Enumeration e= req.getElements(); e.hasMoreElements();) {
     *
     *        final SnmpVarBind var= (SnmpVarBind) e.nextElement();
     *
     *        try {
     *            // This method will generate a SnmpStatusException
     *            // if `depth' is out of bounds.
     *            //
     *            final long id = var.oid.getOidArc(depth);
     *            var.value = meta.set(var.value, id, data);
     *        } catch(SnmpStatusException x) {
     *            req.registerSetException(var,x);
     *        }
     *    }
     * }
     * </pre>
     * <p> You can override this method if you need to implement some
     * specific policies for minimizing the accesses made to some remote
     * underlying resources.
     * <p>
     *
     * @param meta  A pointer to the generated meta-data object which
     *              implements the <code>SnmpStandardMetaServer</code>
     *              interface.
     *
     * @param req   The sub-request that must be handled by this node.
     *
     * @param depth The depth reached in the OID tree.
     *
     * @exception SnmpStatusException An error occurred while accessing
     *  the MIB node.
     */
public void set(SnmpStandardMetaServer meta, SnmpMibSubRequest req, int depth) throws SnmpStatusException {
    final Object data = req.getUserData();
    for (Enumeration<SnmpVarBind> e = req.getElements(); e.hasMoreElements(); ) {
        SnmpVarBind var = e.nextElement();
        try {
            // This method will generate a SnmpStatusException
            // if `depth' is out of bounds.
            //
            final long id = var.oid.getOidArc(depth);
            var.value = meta.set(var.value, id, data);
        } catch (SnmpStatusException x) {
            req.registerSetException(var, x);
        }
    }
}

Example 28 with SnmpVarBind

use of com.sun.jmx.snmp.SnmpVarBind in project jdk8u_jdk by JetBrains.

the class SnmpMibTable method getRowAction.

/**
     * Return the RowStatus code value specified in this request.
     * <p>
     * The RowStatus code value should be one of the values defined
     * by {@link com.sun.jmx.snmp.EnumRowStatus}. These codes correspond
     * to RowStatus codes as defined in RFC 2579, plus the <i>unspecified</i>
     * value which is SNMP Runtime specific.
     * <p>
     *
     * @param req    The sub-request that must be handled by this node.
     *
     * @param rowOid The <CODE>SnmpOid</CODE> identifying the table
     *               row involved in the operation.
     *
     * @param depth  The depth reached in the OID tree.
     *
     * @return The RowStatus code specified in this request, if any:
     * <ul>
     * <li>If the specified row does not exist and this table do
     *     not use any variable to control creation/deletion of
     *     rows, then default creation mechanism is assumed and
     *     <i>createAndGo</i> is returned</li>
     * <li>Otherwise, if the row exists and this table do not use any
     *     variable to control creation/deletion of rows,
     *     <i>unspecified</i> is returned.</li>
     * <li>Otherwise, if the request does not contain the control variable,
     *     <i>unspecified</i> is returned.</li>
     * <li>Otherwise, mapRowStatus() is called to extract the RowStatus
     *     code from the SnmpVarBind that contains the control variable.</li>
     * </ul>
     *
     * @exception SnmpStatusException if the value of the control variable
     *            could not be mapped to a RowStatus code.
     *
     * @see com.sun.jmx.snmp.EnumRowStatus
     **/
protected int getRowAction(SnmpMibSubRequest req, SnmpOid rowOid, int depth) throws SnmpStatusException {
    final boolean isnew = req.isNewEntry();
    final SnmpVarBind vb = req.getRowStatusVarBind();
    if (vb == null) {
        if (isnew && !hasRowStatus())
            return EnumRowStatus.createAndGo;
        else
            return EnumRowStatus.unspecified;
    }
    try {
        return mapRowStatus(rowOid, vb, req.getUserData());
    } catch (SnmpStatusException x) {
        checkRowStatusFail(req, x.getStatus());
    }
    return EnumRowStatus.unspecified;
}

Example 29 with SnmpVarBind

use of com.sun.jmx.snmp.SnmpVarBind in project jdk8u_jdk by JetBrains.

the class SnmpMibTable method checkRowStatusFail.

// ---------------------------------------------------------------------
//
// Register an exception when checking the RowStatus variable
//
// ---------------------------------------------------------------------
static void checkRowStatusFail(SnmpMibSubRequest req, int errorStatus) throws SnmpStatusException {
    final SnmpVarBind statusvb = req.getRowStatusVarBind();
    final SnmpStatusException x = new SnmpStatusException(errorStatus);
    req.registerCheckException(statusvb, x);
}

Example 30 with SnmpVarBind

use of com.sun.jmx.snmp.SnmpVarBind in project jdk8u_jdk by JetBrains.

the class SnmpMibAgent method splitFrom.

// ---------------------------------------------------------------------
// PRIVATE METHODS
// ---------------------------------------------------------------------
/**
     * This method creates a new Vector which does not contain the first
     * element up to the specified limit.
     *
     * @param original The original vector.
     * @param limit The limit.
     */
private Vector<SnmpVarBind> splitFrom(Vector<SnmpVarBind> original, int limit) {
    int max = original.size();
    Vector<SnmpVarBind> result = new Vector<>(max - limit);
    int i = limit;
    //
    for (Enumeration<SnmpVarBind> e = original.elements(); e.hasMoreElements(); --i) {
        SnmpVarBind var = e.nextElement();
        if (i > 0)
            continue;
        result.addElement(new SnmpVarBind(var.oid, var.value));
    }
    return result;
}